Watch geometer/topologist Caleb Ashley explain the parallel postulate on Numberphile.
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Watch mathematician and entrepreneur Anne-Marie Imafidon MBE explain binary numbers. Anne-Marie studied for an MSc in mathematics at Oxford University, and founded the social enterprise Stemettes to encourage more women and girls into STEM careers.
Watch mathematician and data scientist Jonny explain mathematical modelling of networks.
I’ve been at it again, making videos for that YouTube – this time, a collabo with James Grime. We have each posted a video on the topic of a mathematical game, as we both had things we wanted to make videos about but nobody to play with, so we met up after school and made some YouTubes.
My video features two games which *SPOILER* turn out to have maths in them. I’m also doing a bit of a giveaway on Twitter, where you can win the actual cards used in the video (I will post them out in the IRL post mail), so reply to this tweet if you want a chance to win:
Here’s my video again from the other day. If you’d like to win a set of cards, reply with your own version of ⭐& 🌍: https://t.co/rppBeftpbf
— Katie Steckles (@stecks) August 17, 2017
James has also posted his video, which is about a different game:
Katie’s done another video! This time it’s a neat method for constructing an egg-shape, using arcs of circles.
Bonus challenge: See if you can count how many times Katie accidentally says ‘compass’ instead of ‘pair of compasses’ during the video.
I’ve done another maths video! If you missed it earlier this week, here’s a nice mathematical card trick I learned recently on a trip to Finland. Enjoy!
I was invited to give a talk for Ustinov College’s Café Scientifique on π Day this year. The turnout wasn’t great and I put quite a bit of effort into the slides, so I wanted to put it online. I’ve finally got hold of the recording, so here it is. Unfortunately they didn’t set the camera’s exposure properly, making the screen illegible, so you’ll probably want to follow along with the slides in another window.
I tried to come up with a way of writing today’s date as a multiple of π Day, but couldn’t make it work. However, I did realise that Halloween (31/10) is the best approximation to π between now and the next π day (I think). Sπooky!